Pachychoroid spectrum diseases (the prefix 'pachy-' means 'thick') were proposed as the term indicating an abnormal increase in choroidal thickness, dilatation of choroid vessels and other structural changes in choroid architecture. Pachychoroid spectrum diseases include central serous chorioretinopathy, polypoidal choroidal vasculopathy, pachychoroid pigment epitheliopathy, focal choroidal excavation, pachychoroid neovasculopathy, peripapillary pachychoroid syndrome. Studying the new group of diseases associated with pachychoroid phenotype is a topical task in modern ophthalmology. The emergence of new diagnostic methods such as OCT with angiography mode allows detailed study of this disease group, helps determine the prognosis and choose the tactic for management of these patients.
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Quantitative analysis of choroidal vascular structures and anatomical changes in pachychoroid spectrum diseases using ultra-widefield SS-OCTA.
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